<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="活动标题" prop="activityTitle">
        <el-input v-model="formData.activityTitle" placeholder="请输入活动标题" />
      </el-form-item>
      <el-form-item label="活动分类" prop="typeId">

        <el-tree-select
          v-model="formData.typeId"
          :data="activityTypeTree"
          :props="defaultProps"
          check-strictly
          default-expand-all
          placeholder="请选择活动分类"
        />
       
      </el-form-item>
      <el-form-item label="图标" prop="iconUrl">
        <UploadImg v-model="formData.iconUrl" />
      </el-form-item>

      <el-row>
        <el-col :span="12">
          <el-form-item label="参与人员" prop="userIds">
            <template #label>
              <Tooltip message="如果不选择参与人员，默认此活动全员参与" title="参与人员" />
            </template>

            <div class="flex flex-wrap gap-2">
              <div
                v-for="user in selectedUsers"
                :key="user.id"
                class="bg-gray-100 h-35px rounded-3xl flex items-center pr-8px dark:color-gray-600 position-relative"
              >
                <el-avatar class="!m-5px" :size="28" v-if="user.avatar" :src="user.avatar" />
                <el-avatar class="!m-5px" :size="28" v-else>
                  {{ user.nickname?.substring(0, 1) }}
                </el-avatar>
                {{ user.nickname }}
                <Icon
                  icon="ep:close"
                  class="ml-2 cursor-pointer hover:text-red-500"
                  @click="handleRemoveUser(user)"
                />
              </div>
              <el-button type="primary" link @click="openUserSelect('')">
                <Icon icon="ep:plus" />选择参与人员
              </el-button>
            </div>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="抄送人员" prop="copyUserIds">
            <template #label>
              <Tooltip
                message="抄送人员不参与活动，但可以查看和批改参与人员的作品"
                title="抄送人员"
              />
            </template>

            <div class="flex flex-wrap gap-2">
              <div
                v-for="user in selectedCopyUsers"
                :key="user.id"
                class="bg-gray-100 h-35px rounded-3xl flex items-center pr-8px dark:color-gray-600 position-relative"
              >
                <el-avatar class="!m-5px" :size="28" v-if="user.avatar" :src="user.avatar" />
                <el-avatar class="!m-5px" :size="28" v-else>
                  {{ user.nickname?.substring(0, 1) }}
                </el-avatar>
                {{ user.nickname }}
                <Icon
                  icon="ep:close"
                  class="ml-2 cursor-pointer hover:text-red-500"
                  @click="handleRemoveCopyUser(user)"
                />
              </div>
              <el-button type="primary" link @click="openUserSelect('copy')">
                <Icon icon="ep:plus" />选择抄送人员
              </el-button>
            </div>
          </el-form-item>
        </el-col>
      </el-row>

      <el-row>
        <el-col :span="12">
          <el-form-item label="开始时间" prop="startTime">
            <el-date-picker
              v-model="formData.startTime"
              type="date"
              value-format="x"
              placeholder="选择活动开始时间"
            />
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="结束时间" prop="endTime">
            <el-date-picker
              v-model="formData.endTime"
              type="date"
              value-format="x"
              placeholder="选择活动结束时间"
            />
          </el-form-item>
        </el-col>
      </el-row>

      <el-form-item label="活动内容" prop="activityContent">
        <Editor v-model="formData.activityContent" height="180px" />
      </el-form-item>

      <el-form-item label="附件" prop="fileUrls">
        <UploadFile v-model="formData.fileUrls" />
      </el-form-item>

      <el-form-item label="排序" prop="sort">
        <el-input-number v-model="formData.sort" :min="0" clearable controls-position="right" />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-radio-group v-model="formData.status">
          <el-radio
            v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
            :key="dict.value"
            :label="dict.value"
          >
            {{ dict.label }}
          </el-radio>
        </el-radio-group>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>

  <!-- 参与人员选择弹窗 -->
  <UserSelectForm
    ref="userSelectFormRef"
    isInitGet
    notSuccessMessage
    @confirm="handleUserSelectConfirm"
  />
  <!-- 抄送人员选择弹窗==TODO 可以和参与人员共用一个选择弹窗， 后续优化。。。 -->
  <!-- <UserSelectForm ref="copyUserSelectFormRef" @confirm="handleCopyUserSelectConfirm" /> -->
</template>
<script setup lang="ts">
import { getIntDictOptions, DICT_TYPE } from '@/utils/dict'
import { ActivityApi, ActivityVO } from '@/api/school/activity'
import { CommonStatusEnum } from '@/utils/constants'
import { ActivityTypeApi, ActivityTypeVO } from '@/api/school/activitytype'
import { UserVO } from '@/api/system/user'
import { defaultProps, handleTree } from '@/utils/tree'
import { useRouter,useRoute } from 'vue-router'
const route = useRoute()

/** 活动 表单 */
defineOptions({ name: 'ActivityForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
  id: undefined,
  activityTitle: undefined,
  iconUrl: undefined,
  typeId: undefined,
  userIds: undefined,
  copyUserIds: undefined,
  fileUrls: undefined,
  activityContent: undefined,
  startTime: undefined,
  endTime: undefined,
  sort: undefined,
  status: CommonStatusEnum.ENABLE,
  categoryId: 0
})
//查询参数
const queryParams = {
  categoryId: 0
}
const formRules = reactive({
  activityTitle: [{ required: true, message: '活动标题不能为空', trigger: 'blur' }],
  typeId: [{ required: true, message: '活动分类不能为空', trigger: 'blur' }],
  startTime: [{ required: true, message: '活动开始时间不能为空', trigger: 'blur' }],
  endTime: [{ required: true, message: '活动结束时间不能为空', trigger: 'blur' }],
  sort: [{ required: true, message: '排序号不能为空', trigger: 'blur' }],
  status: [{ required: true, message: '状态不能为空', trigger: 'blur' }],
  activityContent: [{ required: true, message: '活动内容不能为空', trigger: 'blur' }]
  
})
const formRef = ref() // 表单 Ref
// const activityTypeList = ref([] as ActivityTypeVO[]) // 活动分类列表
const activityTypeTree = ref() // 树形结构

const selectedUsers = ref<UserVO[]>([])
const userSelectFormRef = ref()
const selectedCopyUsers = ref<UserVO[]>([])
const copyUserSelectFormRef = ref()
const userType = ref('')

/****************************************************参与人员  **************************/
/** 处理用户选择确认 */
const handleUserSelectConfirm = (_, users: UserVO[]) => {
  if (userType.value) {
    selectedCopyUsers.value = users || []
  } else {
    selectedUsers.value = users || []
  }
}

/** 打开人员选择 */
const openUserSelect = (type = '') => {
  userType.value = type
  userSelectFormRef.value.open(0, type ? selectedCopyUsers.value : selectedUsers.value)
}

/** 移除人员 */
const handleRemoveUser = (user: UserVO) => {
  selectedUsers.value = selectedUsers.value.filter((userItem: any) => userItem.id !== user.id)
}
/****************************************************参与人员  **************************/

/****************************************************抄送人员  **************************/

/** 移除人员 */
const handleRemoveCopyUser = (user: UserVO) => {
  selectedCopyUsers.value = selectedCopyUsers.value.filter(
    (userItem: any) => userItem.id !== user.id
  )
}
/****************************************************抄送人员  **************************/

/** 打开弹窗 */
const open = async (type: string, categoryId:number, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()

  //赋值categoryId
  formData.value.categoryId = categoryId
  queryParams.categoryId = categoryId
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await ActivityApi.getActivity(id)
    } finally {
      formLoading.value = false
    }
  }

   //查询分类树
  await getActivityTypeTree()
}
watch(
  () => {
    return {
      formData: formData.value,
      userList: userSelectFormRef.value?.userList
    }
  },
  ({ formData, userList }: any) => {
    if (formData?.userIds?.length) {
      // 设置选中人员
      selectedUsers.value = userList.filter((userItem: any) =>
        formData.userIds.includes(userItem.id)
      )
    }
    if (formData?.copyUserIds?.length) {
      selectedCopyUsers.value = formData?.copyUserIds?.map((id: any, index: number) => {
        return {
          id,
          nickname: formData?.copyUserNames[index]
        }
      })
    }
  },
  {
    deep: true
  }
)
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  await formRef.value.validate()
  // 提交请求
  formLoading.value = true
  try {
    //TODO  新增时，要清除下缓存。。。
    //赋值参与人员和抄送人员
    const userIds: any = selectedUsers.value?.map((user: any) => user.id)
    formData.value.userIds = userIds

    const copyUserIds: any = selectedCopyUsers.value?.map((user: any) => user.id)
    formData.value.copyUserIds = copyUserIds

    const data = formData.value as unknown as ActivityVO
    //赋值当前页面地址，站内信里使用
    data.backPath = route.path
    if (formType.value === 'create') {
      await ActivityApi.createActivity(data)
      message.success(t('common.createSuccess'))
    } else {
      await ActivityApi.updateActivity(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    activityTitle: undefined,
    iconUrl: undefined,
    typeId: undefined,
    userIds: undefined,
    copyUserIds: undefined,
    fileUrls: undefined,
    activityContent: undefined,
    startTime: undefined,
    endTime: undefined,
    sort: undefined,
    status: CommonStatusEnum.ENABLE,
    categoryId: 0
  }
  formRef.value?.resetFields()
  selectedUsers.value = []
  selectedCopyUsers.value = []
}

/** 获得活动分类树 */
const getActivityTypeTree = async () => {
  activityTypeTree.value = []
  const data = await ActivityTypeApi.getSimpleActivityTypeList(queryParams)
    if (!data?.length) {
    return
  }
  activityTypeTree.value = handleTree(data, 'id', 'parentId')
}
</script>
